5280/75 = 70.4 5280 feet in a mile divided by the length of the pool.
75 is what percent of 5280= 75 / 5280= 0.014205Converting decimal to a percentage: 0.014205 * 100 = 1.42%
5280 divided in to 4 = 1320
880
660
1.1364
0.0114
5
4.224
67.5
3.0909
11.3636